Peter Cullen
Optimus Prime (voice)
Acting
Frank Welker
Megatron / Terrorcon (voice)
Acting
Steve Blum
Starscream / Darksteel (voice)
Acting
Jeffrey Combs
Ratchet (voice)
Acting
Will Friedle
Bumblebee (voice)
Acting
James Horan
Wheeljack (voice)
Acting
Michael Ironside
Ultra Magnus (voice)
Acting
Peter Mensah
Predaking (voice)
Acting
Sumalee Montano
Arcee (voice)
Acting
John Noble
Unicron (voice)
Acting
Daran Norris
Knock Out (voice)
Acting
Nolan North
Smokescreen / Skylynx (voice)
Acting
Kevin Michael Richardson
Bulkhead (voice)
Acting
David Sobolov
Shockwave (voice)
Acting